Add for each tapped land your opponents control.

You may choose not to untap Mana Leech during your untap step.

: Tap target land. It doesn't untap during its controller's untap step for as long as Mana Leech remains tapped.

Players can't cast spells that share a color with the spell most recently cast this turn.

If you tap a permanent for mana, it produces twice as much of that mana instead.

Sacrifice any number of lands, then add that much .

Tap all lands target player controls and that player loses all unspent mana.

Counter target spell unless its controller pays .

Mana Vault doesn't untap during your untap step.

At the beginning of your upkeep, you may pay . If you do, untap Mana Vault.

At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.

: Add .

Whenever a land an opponent controls is tapped for mana, tap all lands that player controls that could produce any type of mana that land could produce.

At the beginning of your end step, you may reveal your hand and put all land cards from it onto the battlefield. If you do, discard your hand.

Enchant creature

Enchanted creature can't attack.

: Enchanted creature gets -1/-1 until end of turn.

: Enchanted creature can't block this turn.

: Add or . Activate no more than three times each turn.

Trample

Whenever a player casts a spell, put a +1/+1 counter on Managorger Hydra.

: Add .

Add two mana in any combination of colors.

Draw a card.

Manascape Refractor enters the battlefield tapped.

Manascape Refractor has all activated abilities of all lands on the battlefield.

You may spend mana as though it were mana of any color to pay the activation costs of Manascape Refractor's abilities.

Choose target creature you control. Destroy all creatures with power less than that creature's power.

Whenever you crank Mandatory Friendship Shackles, target creature gets -1/-1 until end of turn.

Vigilance

Lifelink

Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, draw a card.

Whenever an opponent casts their second spell each turn, draw a card.

As Mangara's Equity enters the battlefield, choose black or red.

At the beginning of your upkeep, sacrifice Mangara's Equity unless you pay .

Whenever a creature of the chosen color deals damage to you or a white creature you control, Mangara's Equity deals that much damage to that creature.

When Manglehorn enters the battlefield, you may destroy target artifact.

Artifacts your opponents control enter the battlefield tapped.

When Manic Scribe enters the battlefield, each opponent mills three cards.

Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, that player mills three cards.

When Manifestation Sage enters the battlefield, create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of cards in your hand.

, : Untap another target artifact.

, : Target creature can't be blocked this turn.

: Switch each creature's power and toughness until end of turn.

Manor Gate enters the battlefield tapped.

As Manor Gate enters the battlefield, choose a color other than green.

: Add or one mana of the chosen color.

Haste

: Regenerate Manor Skeleton.

Equipped creature gets +1/+2 and has ": Destroy target Equipment."

Equip (: Attach to target creature you control. Equip only as a sorcery.)

: Manta Riders gains flying until end of turn.

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)

Manticore Eternal attacks each combat if able.

: Mantis Engine gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.)

: Mantis Engine gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Flash (You may cast this spell any time you could cast an instant.)

Enchant creature

Whenever a creature enters the battlefield, enchanted creature gets +2/+2 until end of turn.

Enchant creature

Enchanted creature gets +4/+4.

When Mantle of the Wolf is put into a graveyard from the battlefield, create two 2/2 green Wolf creature tokens.

Enchant creature

Enchanted creature gets +1/+3 and has reach. (It can block creatures with flying.)

Marang River Prowler can't block and can't be blocked.

You may cast Marang River Prowler from your graveyard as long as you control a black or green permanent.

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Islandcycling (, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

When March of the Canonized enters the battlefield, create X 1/1 white Vampire creature tokens with lifelink.

At the beginning of your upkeep, if your devotion to white and black is seven or greater, create a 4/3 white and black Vampire Demon creature token with flying.

Whenever a nontoken creature you control attacks, create a 1/1 red Goblin creature token that's tapped and attacking.

Sacrifice Mardu Ascendancy: Creatures you control get +0/+3 until end of turn.

Marjhan doesn't untap during your untap step.

, Sacrifice a creature: Untap Marjhan. Activate only during your upkeep.

Marjhan can't attack unless defending player controls an Island.

: Marjhan gets -1/-0 until end of turn and deals 1 damage to target attacking creature without flying.

When you control no Islands, sacrifice Marjhan.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Multikicker (You may pay an additional any number of times as you cast this spell.)

Creatures you control get +1/+1.

When Marshal's Anthem enters the battlefield, return up to X target creature cards from your graveyard to the battlefield, where X is the number of times Marshal's Anthem was kicked.

Flying

, : Rather than pay the mana cost of the next spell you cast this turn, you may pay life equal to that spell's mana value.

, Reveal X white cards from your hand, Sacrifice Martyr of Sands: You gain three times X life.

At the beginning of each player's upkeep, if there are four or more basic land types among lands that player controls, Mask of Intolerance deals 3 damage to that player.

Vigilance

Menace (This creature can't be blocked except by two or more creatures.)

, Exile Masked Bandits from your hand: Target land gains ": Add , , or " until Masked Bandits is cast from exile. You may cast Masked Bandits for as long as it remains exiled.

Gain control of X target creatures and/or planeswalkers.

, , Return an artifact you control to its owner's hand: You may put an artifact card from your hand onto the battlefield.

: Draw a card, then discard a card.

, : Transform Matzalantli, the Great Door. Activate only if there are four or more permanent types among cards in your graveyard. (Artifact, battle, creature, enchantment, land, and planeswalker are permanent types.)

, : Look at the top five cards of your library. You may put a creature card with power 5 or greater from among them onto the battlefield. Put the rest on the bottom of your library in any order.